23179: EDF 11603 - Problem with extrusion when path is not well oriented

[modules/smesh.git] / src / SMESH / SMESH_Gen.cxx

diff --git a/src/SMESH/SMESH_Gen.cxx b/src/SMESH/SMESH_Gen.cxx
index 037acb584ed255d6d24f85c75aba670be8cd76c6..4c264d50ae52a996e94983c8c87188d0ba7df108 100644 (file)
--- a/src/SMESH/SMESH_Gen.cxx
+++ b/src/SMESH/SMESH_Gen.cxx
@@ -441,7 +441,8 @@ void SMESH_Gen::setCurrentSubMesh(SMESH_subMesh* sm)
 {
   if ( sm )
     _sm_current.push_back( sm );
 {
   if ( sm )
     _sm_current.push_back( sm );

-  else
+
+  else if ( !_sm_current.empty() )

     _sm_current.pop_back();
 }
 
     _sm_current.pop_back();
 }